It's that time again! Jim Cramer rang the lightning round bell, which means he gave his take on caller favorite stocks at rapid speed:
Merck & Co (NYSE: MRK): "Look I like Merck's quarter but it's a slow and steady wins the race tortoise."
Exact Sciences (NASDAQ: EXAS): "What can I say, it's for real. It's obviously real, it just moved up $5. At any pullback I like it because it's a game changer."
Lockheed Martin (NYSE: LMT): "No, it's not a sell. But you know what, I'm losing enthusiasm for it. I'm liking General Dynamics (NYSE: GD) and Raytheon (NYSE: RTN)."
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